It still excludes Basic Economy awards if you look at the additional terms meaning Basic Economy awards cannot be changed or redeposited. Nowhere does it say that award redeposits are available for all award tickets.

Additional Details & Terms**
Changes to origin, destination, routing, date and time are permitted except for Basic Economy tickets, and the mileage difference (and any applicable taxes) for the new Award ticket will apply. Effective September 22, 2020 for travel within the domestic U.S., and effective December 9, 2020 for travel originating from North America to anywhere in the world (including flights operated by joint venture and codeshare partners), Members may change or cancel Award tickets for travel without a redeposit or change fee, excluding Basic Economy fares